Packed field test

x.java

    public void testPacked() throws Exception
    {
        byte[] protobufData;

        final String SCHEMA_STR =
            "package mypackage;\n"
            + "message t1 {\n"
            + "        repeated uint32 report_code = 1 [packed=true];\n"
            + "}";

        ProtobufSchema schema = MAPPER.schemaLoader()
                                      .load(new StringReader(SCHEMA_STR));
        //create binary of proto
        PackedWrapper.t1 obj = PackedWrapper.t1.newBuilder()
                                               .addReportCode(100)
                                               .addReportCode(200)
                                               .build();
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        protobufData = obj.toByteArray();

        JsonNode example = MAPPER.readerFor(JsonNode.class)
                                 .with(schema)
                                 .readValue(protobufData);
        assertNotNull(example);
    }